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A vacuum cleaner, also known simply as a vacuum, is a device that uses suction, and often agitation, in order to remove dirt and other debris from carpets and hard floors. The dirt is collected into a dust bag or a plastic bin.
The manual vacuum cleaner was a type of non-electric vacuum cleaner, using suction to remove dirt from carpets, being powered by human muscle, similar in use to a manual lawn mower. Its invention is dated to the second half of the 19th century, when patents were granted to inventors in the United States, Britain, France, and elsewhere.
A central vacuum cleaner (also known as built-in or ducted) is a type of vacuum cleaner appliance installed into a building as a semi-permanent fixture. Central vacuum systems are designed to remove dirt and debris from homes and buildings by sending dirt particles through piping installed inside the walls to a collection container inside a ...
In 2011, Student Placement Engineer Jake Tyler developed Vax ev, a working prototype of the world's first cardboard vacuum cleaner. [12] This product was featured across a number of tech and environmental online editorials including Gizmag [ 13 ] and TreeHugger , [ 14 ] and on the BBC Television series Bang Goes the Theory . [ 15 ]
The Roomba Dirt Dog contained sweeping brushes and a larger dust bin, but lacked the vacuum motor, using the space that would be required for the vacuum for additional dust bin volume. It was designed for a home shop or garage environment. [10] The Roomba Model 401 was similar but had a standard-size dust bin and vacuum system.
The DC16, launched in 2006, is Dyson's first handheld vacuum cleaner based on the same technology as used in the DC14 and DC15 root cyclone upright vacuum cleaners. The DC16 has 36 airwatts of constant suction. The DC16 shares the same styling as the other recent upright and cylinder vacuum cleaners in the Dyson range, and weighs 1.5 kg (3.3 lb).
Human anatomy is the scientific study of the morphology of the adult human. It is subdivided into gross anatomy and microscopic anatomy . Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by unaided vision.
The series was re-released in 2003 on DVD as Acland's DVD Atlas of Human Anatomy. The series uses unembalmed human specimens to illustrate anatomical structures. [3] Intended for use by medical, dental and medical science students, the video teaching aid uses simple language and high quality images.